Answer :
Hot air is cooled by the air conditioner through a heat exchanger.
The primary function of an air conditioner is to remove heat from the indoor environment and cool it down. The cooling process involves several components, including a heat exchanger.
The heat exchanger in an air conditioner consists of two main parts: the evaporator coil and the condenser coil. The evaporator coil is located inside the indoor unit, while the condenser coil is situated in the outdoor unit. These coils are made of metal and have a large surface area to enhance heat transfer.
When the air conditioner is in cooling mode, the hot indoor air is drawn into the unit through a vent. The air passes over the evaporator coil, which contains a cold refrigerant. The refrigerant absorbs the heat from the air, causing the air to cool down. As a result, the refrigerant evaporates, changing from a liquid state to a gaseous state.
Simultaneously, the gaseous refrigerant is pumped to the outdoor unit, where the condenser coil is located. Here, the refrigerant releases the heat it absorbed from the indoor air. The heat is transferred to the outside environment, typically through a fan or an exhaust system. As the refrigerant loses heat, it condenses back into a liquid state.
The heat exchange process continues cyclically, with the air conditioner removing heat from the indoor air and expelling it outside. This continuous cycle helps maintain a cool and comfortable indoor environment.
In conclusion, the hot air is cooled by the air conditioner through a heat exchanger, specifically the evaporator and condenser coils. The heat exchanger facilitates the transfer of heat from the indoor air to the refrigerant, and then from the refrigerant to the outdoor environment.
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